[He's almost entirely lost at first. Well, aside from Tarrlok feeling positive about him- he's glad to hear that. But he's not sure what else Tarrlok is referring to...?

And then his brain finally catches up. Things begin to click.

.......

Oh. This is the difference, isn't it.]

I- I see. I...actually hadn't realized that we were speaking about...

[He can't finish that. He looks like he wants to hide somewhere right about now, honestly.]

...But I completely understand. I cannot say it is something I have ever truly considered, myself. Un...til now, I suppose...

[He feels like his brain is overheating.]